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<?php /** * @package HikaShop for Joomla! * @version 4.4.1 * @author hikashop.com * @copyright (C) 2010-2021 HIKARI SOFTWARE. All rights reserved. * @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html */ defined('_JEXEC') or die('Restricted access'); ?><?php class hikashopSeoHelper { public function getAlias($name) { $alias = strip_tags($name); $jConfig = JFactory::getConfig(); if (!$jConfig->get('unicodeslugs')) { $lang = JFactory::getLanguage(); $alias = str_replace(',', '-', $lang->transliterate($alias)); } $app = JFactory::getApplication(); if (method_exists($app, 'stringURLSafe')) { $alias = $app->stringURLSafe($alias); } elseif (method_exists('JFilterOutput', 'stringURLUnicodeSlug')) { $alias = JFilterOutput::stringURLUnicodeSlug($alias); } else { $alias = JFilterOutput::stringURLSafe($alias); } return $alias; } public function autoFillKeywordMeta(&$element, $object) { $config =& hikashop_config(); $max = (int)$config->get('max_size_of_metadescription', 0); $description = $object . '_description'; $meta_description = $object . '_meta_description'; $keyword = $object . '_keywords'; if (empty($element->$description)) return; if (empty($element->$meta_description)) { if(empty($max) || $max < 1) $max = 300; $substr = (function_exists('mb_substr')) ? 'mb_substr' : 'substr'; $element->$meta_description = $substr($this->clean($element->$description), 0, $max); } if (empty($element->$keyword)) { $txt = $this->clean($element->$description); $words = array(); if (preg_match_all('~\p{L}+~u', $txt, $matches) > 0) { foreach ($matches[0] as $w) { $words[$w] = isset($words[$w]) === false ? 1 : $words[$w] + 1; } } arsort($words); $i = 0; $max_keywords = (int)$config->get('keywords_number', 0); $excluded_words = explode(',', $config->get('keywords_exclusion_list', '')); $keywords = array(); $strlen = (function_exists('mb_strlen')) ? 'mb_strlen' : 'strlen'; foreach ($words as $word => $nb) { if ($strlen($word) < 3) continue; $skip = false; foreach ($excluded_words as $excluded_word) { if ($word == trim($excluded_word)) { $skip = true; break; } } if($skip == true) continue; $i++; if ($i > $max_keywords) break; $keywords[$i] = $word; } $element->$keyword = implode(',', $keywords); } } public function clean($str) { $str = strip_tags($str); if(function_exists('mb_strtolower')) $str = mb_strtolower($str, 'utf-8'); else $str = strtolower($str); return $str; } public function substr($str, $start, $length = null) { if ($length !== null) { if(function_exists('mb_substr')) $str = mb_substr($str, $start, $length); else $str = substr($str, $start, $length); } else { if(function_exists('mb_substr')) $str = mb_substr($str, $start); else $str = substr($str, $start); } return $str; } }
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